Ornamental stitching and embroidery machine



M. HOB-AT.

ORNAMENTAL STITCHING AND EMBROIDERY MACHINE.

' APPLICATION man MAR. 3|, 1921.

Pateted Apr. 1 8, 1922.

I 515.413,27'45. f a

.,h/Iachines, (for which I have filed applica` Mannini Koiter, or srnexonnswiaznnnhnn, ,.ASSIGNOR riant-nariz .amelie STECKBORN. .SWiTeERLAND- .Application filed Illarchf31,V

T allwhomz may concern-f .y Be it known Vthat LIMARTIN Honafrfa,A citizen of the Republicot Switzerland, re, siding vat Steckborn, Switzerland, have invented certain new. and useful Improvements in YOrnamental Stitching and Einbroidery I tionsv in Switzerland March 31', 1919,V Patent,No. 83,490, andin GermanyApril. 14,-

y1919, application No'. G. 48,122;Y)j. a 11d "Il do l -hereby declare thel following to 'be a clear, f1 full, and exact ydescription of theinvention,VV such as will enablebthers v4skilled in theiart f A to which it appertains .to make and use,

the sam,e, reference .being-.had tothe Vac-V` ccmpanying drawingg and `Vto letters .or

-g rm a part-'of this specification l Y res of reference marked thereon, Y which TheV object of theI present. invention' is a hemstitch sewing machine of, the;type. linY whichat ,least one shuttle lis. provided `arranged. in fronti'or behind .the :needlei Witlli i ...ithe fabric isl fed; 5 r 25.-..- ing-machines of this .type the{shifting of- .afbaedS-f. y

disadvantages'.- v are inherent.; g i No- Vj sewing ;V V`

v,'.p'ossible to sew-at a certain vdistance. from which itcooperates in the direction .in which j .''lVithv .the hitherto;

thefabric has; beenfeffected byfmeansfot To these machines lthe followingalong cur-vesfcan be effected, .andfitfisfonly- .,.th e edge gofthe fabric,v thebands areliable 1 .".toi'frequent rnptnresfwhereby the ruptured band has to be removed anda new bandi-in- Hserted which -.action,f when carriedout by unskilledworknien, Vcat 'ises linterruptions -ing ltheproper working of the machine, vinallyf the'. bands are vinV time ysoiled with'oil in .Y which case theyfare apt to. glideand cause,

. stitches..`

the machine-to perforn1 lon-ger ror shorten;

There are,A hemstitch1 sewing fmachinesY knownfin whichgthe-*bands are? replaced .byA known jumper feeders. Such machines have.:

the disadvantage; that the shuttles .cannot be swung out .of their operative position,

so that an exehangingfef the 'reels isvery cumbersome and takes up 'muchjtimelvf The object of the present linvention` is a hemstitch rsewing I machine with.. 4a f jumper operative position..

leali-.` serial No. f 457,446. I f

I Y (GRAN'TYEnUii'DnariIE r`racvrsions,crimen-:Aaron Mairena, 1921, V41` ;s'ri.1."r.QL., 1313.) i

above describedare' overcome.;

l. To this end 'near the rshuttle aY space .availfor actuating the; shuttlecr the shuttles, whereby the shuttles andsaid aXle remain in every angular po'sition'of` the .Shuttles .during said swinging motion in positive driving connection .with each other. i

kUfitee'd memberin whichl the disadvantages I f One "modevof carrying theinvention into Y efect fisv shownby way of :example 'on the 'accompanying drawings, inwhichz,

Fig. 11- is 5a view-of a hemstitch sewing machine ittedgwith.twD- shuttlessseen fromV ."beloW,.-Wherein one. of theshuttles is inffthe operativeA position'randthe otherin V.the ini" ofithe.twQ-shuttles- V .andggf the*drivingf-mechanismorssaxne, j Y ,..whereby .beth shiittlesfare-@shownin their f actuatingtheyfeed.deviceg;k Fig. c.y kisa general Aarrangement `showing he drive vforuthe, shaft actuating the shuttle operating g mechanism and the .feed device;

l denotes the'base plate of the machine,

l2'('l 1`i g.f2) isfoneo'f the-two needles (bothk lneedles areshown inlig. 6) whichis guided in 'a piercer-tube `3- and-1 4t is vthe presserare hook-'shuttlesserving to take up the .spools Aor reels 'notshowm theishuttles Kbeing vmounted one. behin'dthe other in line withthegneedles inthe-direetionofbtheteed Y of the fabric.;4 Each shuttle 5,4.-6lis prQvided arms '8, 9 vare -swingably--.arranged- ,about Y' a 135 passage therethrough of partsof thefabrio ofthe respective shuttles 5, 6. These toothed wheels 12, 13`m'esh with a toothed'wheel y14 fixed to shaft 10. The two arms 8 9 being swingably mounted about the axle 10, the two Ywheels '12,13a-re alwaysin engage- 15 ment with the gear wheel 14. Each arm 8,9`isfurther provided'with alocking member 16 mountedon alpin 15andadapt`edto tbedisplaced against tlieaction ofv a spring 17. 'In the operative 'positionof shuttles v5, 20 6'the locling'member 16 is in'engageinentJ with v'an enlarged hole provided at the end of'an'r aperture 1S'and '19 respectively. The Yshaft -1() carrying the toothed Vwheel 14 "is AYfitted with a ibevel wheel; 20"'near tothe base plate 1,"which 'bevel wheel cooperates with a bevel wheel 121 "mounted on a'shaft 22. The shaft22 is'mou'n'ted'in aneck'bear- Y ing 11i and 51 and is'driven ina wellknownmanner' from" a Vcord'pulley 52f'for 'instance 'A "30 by means of `a crank (53, connecting rod 54and crank 555 as show nin Fig. 6.

. Furtherjthe'plate 2 3 recessed' intol the base 4'plate 1 andi rigidly y"secured thereto,'islpro vided with slots"26l serving to admit of'Y a i "feeding 'device'25; mounted inthe base plate l' andglieinglixed' to'lthe"lateral extension 27 v"ofafpin28' carried'by two "arms '29fi`xed "I "Y below the base plate 1. Alever'arm' 31is fixed to the shaft 30, a rod 32' (Figi fbeing connected to said arm. Y A pin carried Aby lthe rod'32'fprojects into the slot of a lever y. A33, turnably arranged in' a bearing 36, al' "15"spring35 fi'Xedat Aits one cend'to said' pinl and at its other -end tothe base plate V1 isVv Vfurther fproviy'de'd. 'Thellever B3 'is Vprovided "withV asmall roller 37 projecting into are* cess ofthe 'cup-shapedWleelbody of a gear 3'), The-'gear wheel :39 is in' mesh withI a "f je'arwheel'50 (Fig.Y The c'am 88 is ed for@ Shaft 40Ywhich carries thege'ar wheel 39 'and is mounted in the neck 'bearing 11 and "1., vi-yfork' 42 is'rlf'urther provided'at ythe `"part 27. A pin"43lofian arm 44 (Figs. 5 and 1) projects into the bifurcation 42, the arm f44'beingiixed t0 a shaft'45 turnably mountit" ed on theV base plate 1.' The shaft 45 carries ar1n46 provided with' a laterally projecti i ingpin'47. The pin 47`is constantly pressed "against disc48, 'integral' with the wheel 39,'by thea'ctionof aspring 49.

During vthe operationof the above de? scribed machine the two shuttles 5, 6 are in their operative position, i. ethey are arranged one behind the other 'asshown Vv1n Fig.

Y2 in the direction C indicated by arrows in Figs. 1 and 2 in which direction the fabric 70 is fed; The gear wheels"12iand'13of` the "fshuttlesl'fG are'in'mesh with the gear wheel 14, whereby the shuttles 5, 6 are rotated upona' rotation being imparted to the shaft 22. At the same time the gear Wheel 39 and 75 'the'ciin disc 48 integral with the former are rotated as well-as the shaft 40 carrying the former. The cooperation of the parts 38,

and fro movement being imparted to the feed member 25 as indicated by varrows A in'Y Figs. 1"'and15 and theicoop'eration `'of the parts aan?, 4e, 45,44, 4.3, and 42 causes an up and down movement inthe `directionof the arrwsB. of1 Fig. v5 being vimparted 't0vk 85 Ysaid feed member 25. The upland down *movement and the to and fro movement are partly effected 'silnultaneously:l` whereby 'the 'known eccentric or swinging movement 'of y the member25 results. 90 If it is desired to remove' one'fof thev shuttles 5, 6 out of'itsoperative' 'positionffor 'the purpose yof removing air'eel `casing tlierefrom, the'l'o'cking member 16 carriedby ithe farmsS 'or 9'respectivelyiwhi'eh aletas sup-3:95 porting part "toi the corresponding shuttle are brotightiout of engagementwitltheentheI vinoperative yposition. E-In this position, however, the gear wheel 13"f"is"st'illin`eshing performed 'la 'circular swinging 4motion Uaroundfthe axis of thefsha-ft 10' as fce'nter.

`The"above described drive for actuating 'thef'shuttles 5,"6 "is 1of av very "compendious he use Y'of rthis feed Vme'mlo'er enables aI sew-5" "l1 15 .ingalongjfcurves and along an'v edge of 'the' fabric i v'being performed, Y further ii'regujlariities in the length' ofthe stitches are overcome l 4 l 'and the frequent 'replacing of the hitherto y "5 5"'1n abracket 41 integral with the'base plate fused fabrieshifting'devices-is avoided. `The` 120 above described drive is very effectiveeand reliable andidoes not lose its accuracy.

Vlt V"is evidenti' that the drive canl-'alsofbe used 'forf x'o'perating only loneI shiittle asl well, y Yals foroperating" more than two vshh'ttles'gfthe; '125 number VVof gearwheels actuated'by the gear Y wheel V144"corresponding4 tort-hev nu'rnberfof shuttlesfused. Y

claim: u .Y M 1. VIna shuttleope'rating mechanism for 130 hemstitch sewing machines, the combination y of at least one' shuttle arranged in its-operative positionv in line With the needle co-v l y operating With said shuttle in the direction V4shuttle separatelyl from its operative 'posi-V inWhich the fabric is fed, an axle,"means for supporting each shuttle. and adapted to be swung-'around said axle.V for moving each tion into-Va position in Which a'bobbincan conveniently v be jexchanged,- means inter` posedbetween said axleA and the shuttlefor V'operating' the latter, and means toactuate said axle. u

2. In a shuttle operating lmechanism for hemstitcli sewing `machines,`the combination of at least one shuttle arranged in its oper-v ative position in -line with the needle. co-

operating with said shuttle in the direction in which the abricis fed, an axle, an arin connected to each shuttle for supporting the latter and adapted to be turnedaround said axle for moving each shuttle separately from its operative position 'into la position in which a bobbin may conveniently be exchanged, a gear Wheel on said axle, a gear Wheel on each shuttle engaging `With said gear Wheel on the axle, means'to actuate said axle and Vthereby the shuttles, and means to hold the arm carrying the shuttle in posi- .0f its operative positionffor having4 a bobbin tion aftei'i-the shuttle has been turned outl exchanged. Y

rac

3,4111 a shuttle operating mechanism for hemystitch sewingV machines, the vcombination of at least'on'e shuttle arranged in its oper operating with. saidshuttle in the direction in -fwhich the fabric is feob'an 1aXle-,an-arm" A -as'sociated with each Shuttle' orsupporting the latter and adapted vto be;tur`ned',aroun d` the axle for -movingeach shuttle separately from its operative position into a position spring loaded locking member carriedV by as@Y said arm and adapted tofengage WitlifV re--IVV` 'Y cesses for holding saidarm in position after` vthe shuttle has been turned out of its oper` ative Vposition for having a bobbin exchanged, and When the shuttle is in its operative position. A Y

In testimony that I claimV ythe foregoing as my invention, I have signed my name. v

MARTIN HORAT. Y 

